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Arithmetica Logarithimica (1624)

Briggs, Henry · leaf 96

An illustration from Arithmetica Logarithimica, 1624, leaf 96
lela-fLrede F C, erunt anguli FCG^CG .^equalesj qui-bus etiam equantur G J^tCi GCM-y quia periphe-ric in quas infiftuiu,^^,^£ F^tfCfunt^qua-^les. Sunt igitur G C,G MycM equales.et ducta rec*ta A M,erunt ti iangula A M G,A M P equiangula,et equilatera. Et triangula AQJ>t AN G, F BCcquilatera: et… … SI CF 6^iy9^6^666 AM 876385241572XC Radius circuli circumfciipti fit I. ericB C 6840402866513CF fubcendemduo laicra -------- 1285^7,2193732 A M Uibrendcns cria larcra 17320508075688 X C - - 100000000000ArB - - .19696155060245 >BC - - -6840402866513 ^cont BD 2 -575646 9845- 5 7 fprop DE - - -…

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